AeroLeads people directory · profile

Jonathan S. Email & Phone Number

Senior Software Engineer @ Synchrony | CompTIA Security+, MTA at Synchrony
Location: Conroe, Texas, United States 8 work roles 5 schools
LinkedIn matched
✓ Verified July 2026 3 data sources Profile completeness 86%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Software Engineer @ Synchrony | CompTIA Security+, MTA
Location
Conroe, Texas, United States
Company size

Who is Jonathan S.? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Jonathan S. is listed as Senior Software Engineer @ Synchrony | CompTIA Security+, MTA at Synchrony, a with 9246 employees, based in Conroe, Texas, United States. AeroLeads shows a matched LinkedIn profile for Jonathan S..

Jonathan S. previously worked as Senior Software Engineer at Synchrony and Senior Software Engineer at Ally. Jonathan S. holds Bachelor Of Arts - Ba, Computer Science, 3.0 from Florida International University - College Of Engineering & Computing.

Company email context

Email format at Synchrony

This section adds company-level context without repeating Jonathan S.'s masked contact details.

Synchrony

Review company-level records connected to Jonathan S. before choosing the right outreach path.

Profile bio

About Jonathan S.

I am a Navy veteran with six years of active duty service I have decided to pursue a career in Computer Science. My careers in the Navy as a petroleum technician has been quite a journey, but I decided to continue where I left off before my service and transitioned to civilian life to achieve my goals. I am proficient in the following technologies :C#, .NET, MVC, T-SQL, SSMS, MySQL, MongoDB, Java, HTML, CSS, SASS, JavaScript, Node.js, PHP, React Framework, Git Version Control, REST and 3rd party API implementation. You can view my portfolio: https://www.vet2dev.com and my Github: https://github.com/sequeirajonathan

Current workplace

Jonathan S.'s current company

Company context helps verify the profile and gives searchers a useful next step.

Synchrony
Synchrony
Senior Software Engineer @ Synchrony | CompTIA Security+, MTA
stamford, connecticut, united states
Employees
9246
AeroLeads page
8 roles

Jonathan S. work experience

A career timeline built from the work history available for this profile.

Senior Software Engineer

Current

Remote

Mar 2024 - Present

Senior Software Engineer

United States

• Reduced security vulnerabilities in React monolith from over 600 infractions to 14, as evidenced by DAST scan reports.• Integrated Cypress for end-to-end testing, eliminating manual regression processes.• Implemented Terraform for automated web app deployment across Dev, QA, Staging, and Production environments.• Enhanced micro front-end development by incorporating manifestJSON for cache invalidation,streamlining development workflows.• Mentored junior developers, promoting clean code practices andsupporting career progression.• Spearheaded a 40% application migration to TypeScript, leading and facilitating team adaptation.Collaborate with product managers and designers to understand business requirements and translatethem into technical solutions.

Mar 2022 - Mar 2024

React Developer

United States

• Modernized legacy codebase, converting itinto contemporary web widgets,resulting in reducedoperating costs and improved functionality.• Validated and implemented customer interface requirements for personal profile experiences.• Developed and maintained code for distributed cloud environments, improving code reusability andsystem reliability.• Increased testing coverage by 20% across four major projects through effective QA strategies.• Led TypeScript adoption, providing guidance and expertise during the migration phase

Sep 2021 - Mar 2022

Java Software Engineer

Pensacola, Florida, United States

• Designing and developing database driven IT applications for Navy systems• Develop, update, enhance, and maintain IT software code, structures, scripts, and system configurations for web and client-server type applications.• Provide troubleshooting assistance and analysis to customers and other activities for application, database, software, hardware and/or interface related issues and resolve.• Operate within Navy guidance and policies to maintain the operational status of the system, correct faults, introduce enhancements, improve performance consolidate, or to adapt the system to changing environments or requirements.

May 2021 - Sep 2021

Full Stack Engineer

Miami/Fort Lauderdale Area

• Developed Dashboard for the Federal Aviation Administration using React, Redux, Typescript, Recoil, and Styled components integrating the ArcGIS JavaScript API to display drone data in 3D space.• Developed web service which consumes, validates, and transfers ACT and SAT test score data from the testing center web service and store service member data into database using C#, .Net Core, JavaScript, SQL Server, T-SQL, and MVC.• Documented all technical specifications and testing methods for Prometric Test Center project for future reference and use in other assignments.• Modified existing software systems to enhance performance and add new features such as JSON Web Token generation for QA testing URL endpoints.• Instrumented and modified unit and integration tests to improve software quality and reliability.• Worked closely with other development team members to identify and remove software bugs.• Collaborated with internal technology teams and third-party partners to define, design, and deliver on user stories and customer demand.

Apr 2019 - May 2021

Full Stack Web Developer

Miami/Fort Lauderdale Area

• Create responsive websites and web applications using WordPress, HTML, CSS, JavaScript, and PHP.• Key member in specification, design, implementation, and support of products as well as improving existing features and product performance.• Perform website updates and maintenance.• Developed web application using Node JS, express,and MySQL to manage call center orders.

Aug 2018 - Mar 2019

It Support Technician

Miami/Fort Lauderdale Area

• Provide local IT support to attorneys and paralegal's and solve work tickets in backlog.• Manage group policy for accounting, paralegal's, and attorneys.• Configured new employee work stations, including all hardware, software and peripheral devices.

Jul 2017 - Aug 2018

Aviation Boatswains Mate Fuels

• Coordinated the receipt and issuance of millions of gallons of jet fuel using Human Machine Interface software to guide fuel flow by opening remotely operated valve systems.• Documented key information regarding operation, issue resolution and monitoring of PLC and Human Machine Interface systems for compilation in technical manuals.• Troubleshoot daily IT desktop client issues, supporting multiple departments and various offices.• Performed continuous assessments of network structure, business content filters and security firewall.• Provided local IT support for hardware and software to naval personnel.

Dec 2011 - Jun 2017
Team & coworkers

Colleagues at Synchrony

Other employees you can reach at synchronyfinancial.com. View company contacts for 9246 employees →

5 education records

Jonathan S. education

Web Development Degree, Computer Science, 4.0 Gpa

Florida Vocational Institute

Front-End Web Developer

Codecademy

10-week intensive front-end web developer boot camp where I completed and built 8 websites using these technologies: HTML, CSS.

Associate Of Arts - Aa, Computer Science, 4.0

Associates of Arts in Computer Science and Information Technology. Graduated with a 4.0 GPA

FAQ

Frequently asked questions about Jonathan S.

Quick answers generated from the profile data available on this page.

What company does Jonathan S. work for?

Jonathan S. works for Synchrony.

What is Jonathan S.'s role at Synchrony?

Jonathan S. is listed as Senior Software Engineer @ Synchrony | CompTIA Security+, MTA at Synchrony.

Where is Jonathan S. based?

Jonathan S. is based in Conroe, Texas, United States while working with Synchrony.

What companies has Jonathan S. worked for?

Jonathan S. has worked for Synchrony, Ally, Usaa, Adsync Technologies, Inc., and General Dynamics Information Technology.

Who are Jonathan S.'s colleagues at Synchrony?

Jonathan S.'s colleagues at Synchrony include Md Abdul Majeed, Nazia Ali, Donjan Oflas, Marixa Lopez, and Jeff Miller.

How can I contact Jonathan S.?

You can use AeroLeads to view verified contact signals for Jonathan S. at Synchrony, including work email, phone, and LinkedIn data when available.

What schools did Jonathan S. attend?

Jonathan S. holds Bachelor Of Arts - Ba, Computer Science, 3.0 from Florida International University - College Of Engineering & Computing.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Jonathan S. you were looking for.

View similar profiles